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Gaskets & Sealing


Sigma 500
Sigma® 500 is a high performance biaxially orientated sheet sealing material containing PTFE and hollow glass microspheres. Sigma 500 is biaxially orientated PTFE containing hollow glass microspheres. Enhanced compressibility for low bolt loads Improved flexibility over conventional calendared and graphite sheets. Moderate concentrations of acids & caustics, chlorine and hydrogen peroxide Can be used for all concentrations of sulfuric acid. Approval DVGW, EC1935, FDA, FDA Compliant, TA Luft, USP Plastic, WRASFlange Face: Flat, Raised Maximum Temperature: 260°C Media: Hazardous Minimum Temperature: -200°C Pressure: 51 Bars / 739.69 PSI Pressure Class: 150 & 300 Pressure Rating: PN40
Sigma 511
Sigma® 511 is a high performance biaxially orientated sheet sealing material containing PTFE with silica filler. Sigma® 511 is a high performance biaxially orientated sheet sealing material containing material containing PTFE with silica filler. Standard compressibility Strong acids (except hydrofluoric) to general chemicals. Can be used for all concentrations of sulfuric acid. Not suitable for molten alkali metals, fluorine gas or hydrogen fluoride. Approval BAM for Oxygen, EC1935, FDA, FDACompliant, TA Luft, WRAS Flange Face: Flat: Raised Maximum Temperature: 260°C Media: Hazardous Minimum Temperature: -200°C Pressure: 51 Bars / 739.69 PSI Pressure Class: 150 & 300 Pressure Rating: PN40
Sigma 600
Sigma® 600 is a high performance biaxially orientated PTFE sheet sealing material with enhanced, low stress sealing characteristics. Sigma® 600 is a high performance biaxially orientated PTFE sheet sealing material with enhanced, low stress sealing characteristics. Developed specifically for petrochemical and chemical use. FDA compliant for both low and high bolt loads. Is non contaminating with lower creep an cold flow. A single gasket replacement for metallic and non-metallic flange applications Approval FDA, FDA Compliant, TA Luft, WRA Flange Face: Flat, Raised Maximum Temperature: 260°C Media: Hazardous Minimum Temperature: -200°C Pressure: 51 Bars / 739.69 PSI Pressure Class: 150 & 300 Pressure Rating: PN40
Novus 48
Novus 48 Acid is a specially formulated compressed sheet material, based on a blend of fibres with an acid resistant binder system. Novus 48 Acid is designed to withstand aggressive chemical environments. A chemical grade material suitable for most acids, alkalis, oils, fuels and refrigerants. Flange Face: Flat: Raised Maximum Temperature: 260°C Media: Hazardous Minimum Temperature: -200°C Pressure: 30 Bars / 435.11 PSI Pressure Class: 150 & 300 Pressure Rating: PN40
Novus 49
Novus 49 Graftec is a compressed sheet material which combines a high percentage of graphite, reinforced with aramid fibres and a small amount of rubber binder. Novus 49 Graftec is a high performance material with excellent mechanical properties. It is suitable for many applications including oils, solvents, high pressure steam and gases including oxygen. Approval BAM for Oxygen, BS 7531 Grade X, DNV, TA Luft, WRAS Flange Face: Flat, Raised Maximum Temperature: 260°C Media: Hazardous Minimum Temperature: -200°C Pressure: 51 Bars / 739.69 PSI Pressure Class: 150 & 300 Pressure Rating: PN40
Novus 30
Novus 30 is a good quality compressed sheet material based on a blend of aramid and inorganic fibres with a nitrile rubber binder system. Novus 30 is a general purpose material suitable for use in a wide range of applications, including hot and cold water, steam, oils, fuels, gases and a wide range of general chemicals. Approval BS 7531 Grade Y, DNV, TA Luft, WRAS Flange Face: Flat, Raised Maximum Temperature: 2225°C Media: Hazardous Minimum Temperature: -100°C Pressure: 51 Bars / 739.69 PSI Pressure Class: 150 & 300 Pressure Rating: PN40
Thermiculite 715
Thermiculite® 715 is a high performance coreless material suitable for use in a wide range of demanding and general industrial sealing applications. The material posses excellent resistance to most chemical media and is suitable for sealing steam, acids, alkalis and virtually all general industrial chemicals. Flange Face: Flat: Raised Maximum Temperature: 454°C Media: Hazardous Minimum Temperature: -120°C Pressure: 51 Bars / 435.11 PSI Pressure Class: ASME 150 & 300 Pressure Rating: PN40
Thermiculite 815
Thermiculite® 815 is comprised of a tangled 316 stainless Steel core faced with a performance vermiculite based sealing material. The metallic core provides improved blow out resistance, handling and cutting characteristics. The 815 is suitable for use in a wide range of sealing applications. Typical applications involve sealing superheated high pressure steam, strong oxidizing media and high temperature gas. Flange Face: Flat Raised Maximum Temperature: 1000°C Media: Hazardous Minimum Temperature: -200°C Pressure: 51 Bars / 435.11 PSI Pressure Class: ASME 150 & 300 Pressure Rating: PN40
Thermiculite 894
Thermiculite® 894 is a flexible gasket compression packing, made by over-knitting strips of Thermiculite® foil with a fine Inconel 600 wire and then braiding a number of those Thermiculite /Inconel strips to produce a square section sealing material available in continuous coil form. The 894 is used in conventional high temperature valve stem sealing systems for on-off or isolation valves. Alternatively, as the header rings either side of a conventional valve stem sealing stack.

Novus Spiral Wound Gaskets

Novus Spiral Wound Gaskets consist of a V-shaped metal strip spirally wound in combination with a soft, filler material. The metal strip provides outstanding recovery, while the flexible filler guarantees excellent sealing. Due to this combination of materials the spiral wound gasket is suitable for sealing under severely fluctuating temperature and pressure conditions. Depending on the application, the spiral wound gasket can be specified with outer and/or inner rings. Spiral wound gaskets can be used to seal fluid pressures up to 250 bar and from cryogenic temperatures up to elevated temperatures of 1000oC.